<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <link href="../../../css/bootstrap.min.css" rel="stylesheet">
    <script src="../../../js/jquery-2.1.1.js"></script>
    <script src="../../../js/bootstrap.min.js"></script>
    <title>05栅格</title>
</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-md-4">.col-md-4</div>
        <div class="col-md-8">.col-md-8</div>
    </div>
    <div class="row">
        <div class="col-md-4">.col-md-4</div>
        <div class="col-md-4">.col-md-4</div>
        <div class="col-md-4">.col-md-4</div>
    </div>
    <div class="row">
        <div class="col-md-3">.col-md-3</div>
        <div class="col-md-6">.col-md-6</div>
        <div class="col-md-3">.col-md-3</div>
    </div>
</div>
<hr/>
<div class="container">
<div class="row">
    <div class="col-md-4 col-md-push-8">.col-md-4</div>
        <div class="col-md-8 col-md-pull-4">.col-md-8</div>
</div>
</div>
</body>
</html>